CESSNA®
MODEL 525B
MAINTENANCE MANUAL
Table 23. Hot Battery CB Bus (HZ012) (continued)
Circuit Breaker
Equipment
Number of Units
Equipment Load
(Amps DC)
Notes
Fwd EXIT Lt
(FF012)
1
0.20
Aft EXIT Lt (FF011)
1
0.20
Cabin Door Flood Lt
1
0.31
EMER Lights
(HZ151)
Emer Exit Flood Lt
1
0.31
Forward Baggage
Light (FN001)
1
0.67
Aft/Fwd Comp Lts
(HZ145)
Aft Baggage Light
(FT003)
1
0.67
Bus Calculated Load
4.04
Table 24. J-Box Emer Bus (HZ019)
Circuit Breaker
Equipment
Number of Units
Equipment Load
(Amps DC)
Notes
HZ153
LH Emergency
PWR
1
HZ154
RH Emergency
PWR
1
HZ147
Voice Recorder
(UT507) (Optional)
1
0.38
Bus Calculated Load
0.38
C.
Notes
(1)
The following table is a compilation of all notes for the Electrical Load Analysis Document.
Letter
Note
A
Landing lights will not be on the same time as recognition lights.
B
Controlled by FADEC, but assumed on during icing conditions. Not on during
taxi phase. Single generator essential load with both igniters operating, see
Note T.
C
Engine and wing anti-ice valves draw current only in the off position.
D
Start light will be "ON" only during start cycle.
E
Firewall shut off operation, fire has been detected. Internal 'KEEP CLOSE'
relay holding current = 100 Milliamp.
F
Power on during ground operation only.
G
Pump on during engine start and emergency low pressure only.
H
Alcohol pump on when windshield anti-ice fail only.
I
Stick shaker operates only when a stall is imminent. For load analysis purposes,
1 minute of sticker shaker operation is used for landing configurations only.
J
Wing A/I valves only draw power in emergency when activated by bleed air
O'TEMP switch and are therefore assumed off.
24-55-01
Page 22
© TEXTRON AVIATION INC.
Feb 23/2022
ICA-525B-34-00004
Form 2261 Rev 1
